Here, Ti losses 4 electrons and its oxidation state is changed from 0 to + 4 and Cl₂ gains one electron and its oxidation state is changed from 0 to - 1. 2 Answers. The CO is the reducing agent. 1. (ii) Complete and balance the equation for this reaction, using [H] to represent the reducing agent. Which is a good example of a contact force? A reducing agent (also called a reductant or reducer) is an element or compound that loses (or "donates") an electron to an electron recipient (oxidizing agent) in a redox chemical reaction. c. chlorine (cl) loses an electron, so it is the reducing agent. 2Na(s) is oxidized to Na + (the oxidation number of sodium goes up from 0 to +1). Join now. Log in. Click here to get an answer to your question ️ What is the reducing agent in the following reaction below 2mno4 + br-? Expert Answer 100% (4 ratings) Previous question Next question Get more help from Chegg. All you have to do is determine which reactant is being reduced. Add your answer … Cr changes from oxidation number +3 to +2. Identify the oxidizing agent in the reaction: Cl2 + 2Br- → 2Cl- + Br2? How much glycerol (is liquid supplied at 100%) would you need to make 200 mL of 20% v/v (volume/volume) glycerol solution? Bromine is losing electrons, so it is the reducing agent. K 2 Cr 2 O7 + 3H 2 C 2 O 4 + _H 2 SO 4 → Cr 2 (SO 4) 3 + _H 2 O + 6CO 2 + K 2 SO 4 What is the reducing agent in this reaction Cr changes from oxidation number +3 to 0. Your IP: 159.65.38.93 (a) (i) Describe a simple chemical test that would show that but-2-enal is an aldehyde. Explanation: 2Na(s) + Cl 2 (g) → 2NaCl(s). Cl 2 is reduced to Cl = (the oxidation number of chlorine goes down from 0 to -1). C changes from oxidation number +2 to +4. Bromine has lost 5 electrons. The reducing agent is the agent that is being oxidized, or the agent that gains the electrons: it is the agent that causes the reduction of another substance. Three Mechanisms drive plate motion: mantle convection, slab pull, and ridge push. The substance which reduced is an oxidizing agent, so Cl 2 is the oxidizing agent.. Na(s) ---> Na + +e-. A reducing agent is a term in chemistry that refers to an atom which donates electrons in an oxidation -reduction reaction. 86. Chlorine (Cl) loses an electron, so it is the reducing agent. A reducing agent is one of the reactants of an oxidation-reduction reaction which reduces the other reactant by giving out electrons to the reactant.If the reducing agent does not pass electrons to other substance in a reaction, then the reduction process cannot occur. This means that Iodine has gained 5 electrons. Another way to prevent getting this page in the future is to use Privacy Pass. Fe---->Fe2++2e-Which statement best describes what is taking place in this half reaction? O, has been reduced to H 2 O by the addition of hydrogen. Reducing agents are typically electropositive elements such as hydrogen, lithium, sodium, iron, and aluminum, which lose electrons in redox reactions. Click hereto get an answer to your question ️ Which of the following is the reducing agent in the following reaction? The reduced atom is called the oxidizing agent; it takes electrons from the oxidized atom, which is another name for the reducing agent. How many grams are in 3.4x10^24 molecules of ammonia? Cu2+ (aq) + Zn (s) --> Zn2+ (aq) + Cu (s) Copper is reduced. Aqueous potassium manganate (VII) to the reducing agent; Shake the mixture; The aqueous potassium manganate (VII) is decolourised; The table below shows the common and important reducing agents. cl2(aq) + 2br(aq) 2cl(aq) + br2(aq)bromine (br) loses an electron, so it is the reducing agent. What is the reducing agent in the reaction below? Relevance. Log in. (Note: the oxidizing and reducing agents can be the same element or compound, as in disproportionation reactions). 1. A reducing agent is thus oxidized when it loses electrons in the redox reaction. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Lily. In the reaction that forms sodium chloride from the elements sodium and chlorine, sodium is oxidized, and chlorine is reduced. Which substance is serving as the reducing agent in. Cl2(aq) + 2Br-(aq) ----->2Cl-(aq) + Br2(aq) a. Bromine (Br) loses an electron, so it is the reducing agent. Cl2 (aq) + 2Brmc004-1. It reduces F to HF by the addition of hydrogen. (Recall that O has an oxidation number of -2.) The CO is the reducing agent. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. But-2-enal, CH3CH=CHCHO, is a pale yellow, flammable liquid with an irritating odour. Write five observation of cotton ball and pine cone of the solid. In other words, what is oxidized is the reducing agent and what is reduced is the oxidizing agent. 1. Bromine (Br) gains an electron, so it is the reducing agent. So, Ti is the reducing agent because its oxidation state changes from 0 to + 4. Oxalic acid, on the other hand, is a reducing agent in this reaction. b. This preview shows page 17 - 21 out of 24 pages. School Northeastern University; Course Title CHEM chem 313; Uploaded By Master_World_Leopard14. cl2(aq)+2br-(> 2cl-(aq)+br2(aq) a. bromine (br) loses an electron, so it is the reducing agent. A reducing agent is an element or a compound that looses or donates electrons in a chemical reaction. Bromine losses an electron and therefore it is the reducing agent while chlorine gains electrons and … Pages 24. Answer Save. The mechanism that scientist think is most important is? The Cr2O3 is the oxidizing agent. Cl2(aq) + 2Brmc004-1.jpg(aq) mc004-2.jpg 2Clmc004-3.jpg(aq) + Br2(aq) Bromine (Br) loses an electron, so it is the reducing agent. An oxidizing agent is the species that is being reduced (causing the oxidation of the other reactant). Nitrogen and … b. bromine (br) gains an electron, so it is the reducing agent. Testing for presence of reducing agent: Add an oxidising agent, e.g. The CO is the reducing agent. Which best describes the reducing agent in the reaction below? Which best describes the reducing agent in the reaction below? Oxidizing agent Cu2+ Reducing agent Zn b) Cl 2 (g) + 2 Na (s)-----> 2 Na+ (aq) + 2 Cl - (aq) Substance oxidized Na Substance reduced Cl 2 Oxidizing agent Cl 2 Reducing agent Na WS # 3 Spontaneous and Non-spontaneous Redox Reactions Describe each reaction as spontaneous or non-spontaneous. Lv 7. The equation shows the reaction between zinc metal and hydrochloric acid. Zn (s) + 2HCl (aq) mc014-1. • Join now. Answer Save. which best describes the reducing agent in the reaction below? jpg (aq) mc004-2. 2Na Iron is being oxidized. Refer to the unbalanced equation below when answering this question. jpg 2Clmc004-3. © 2021 Education Expert, All rights reserved. Which best describes the reducing agent in the reaction below? Bromine is giving or losing electrons and is reducing the chlorine atoms so Bromine is the reducing agent. Identify the reducing agent in the following reactions (a) 4NH3 + 5O2→ 4NO + 6H2O (b) H2O + F2 → HF + HOF (c) Fe2O3 + 3CO → 2Fe + 3CO2 (d) 2H2 + O2 → 2H2O NCERT Class X Science - Exemplar Problems Chapter_Chemical Reactions And Equations 2 See answers kvnmurty kvnmurty A) The oxidation state of Oxygen is reduced, from 0 to -1. The CO is the reducing agent. Cl 2 +2e → Cl-. Which best identifies why the rusting of an iron nail in the presence of water and oxygen is an oxidation-reduction reaction? Favourite answer. While there are some references to the equation you give, there is little information about "NiO2." bromine (br) gains an electron, so it is the reducing agent. (c) CO is a reducing agent. namaniya4950 namaniya4950 17.12.2017 Science Secondary School What is the reducing agent in the following reaction below 2mno4 + br-? (a) NH 3 is the reducing agent because it gets oxidised to NO by the removal of hydrogen and addition of oxygen. The permanganate ion removes electrons from oxalic acid molecules and thereby oxidizes the oxalic acid. agent, and oxidants get reduced by a reducing agent. Cl₂ is the oxidizing agent because its oxidation state changes from 0 to - 1. chlorine (cl) gains an electron, so it is the reducing agent. Consider the half reaction below. Cloudflare Ray ID: 60eaed704be23ddf Looking at the equation above, Ag+ (aq) acts as the oxidizing agent because it causes Cu (s) to lose electrons. Which answer best describes what is happening in the following reaction? pisgahchemist. 1 See answer namaniya4950 is waiting for your help. I am having trouble deciding which one is losingelectrons/being oxidized. C14H10O2 [1] [Total 2 marks] 5. The Cr2O3 is the … Because chlorine makes it possible for sodium to be oxidized, chlorine is the oxidizing agent. jpg (aq) + Br2 (aq) Bromine (Br) loses an electron, so it is the reducing agent. Thus, the MnO 4- ion acts as an oxidizing agent in this reaction. Relevance. D. C changes from oxidation number +4 to +2. Mg + F2 → MgF2 Cr changes from oxidation number +3 to 0. Hydrides (compounds that contain hydrogen in the formal -1 oxidation state), such as sodium hydride, sodium borohydride and lithium aluminum hydride, are often used as reducing agents in organic and organometallic reactions. The CO is the reducing agent. What is the oxidation number for S in the compound SO3? Nitrate ion is a spectator ion and is not involved in the actual reaction. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Hence option A is correct. B. Which best describes the reducing agent in the reaction below? (b) H 2 O is the reducing agent because of the addition of electronegative F to get oxidised to HOF. The Cr2O3 is the oxidizing agent. hydrogen. 1 Answers. 1 Answer. The atom that gains those electrons is said to be reduced. Performance & security by Cloudflare, Please complete the security check to access. Which of the following is the reducing agent in the following reaction? Since it isn't bonded to anything, its oxidation state is equal to its charge. Bromine (Br) gains an electron, so it is the reducing agent. Cr changes from oxidation number +2 to +3. Thus, The right answer is Ti is the reducing agent … Cr 2 O 7 2-+6S 2 O 3 2-+ 14H + =2Cr 3+ + 3S 4 O 6 2-+7H 2 O. a)Cr 2 O 7 2- b)S 2 O 3 2-c)H + d)Cr 3+ e)S 4 O 6 2-f)H 2 O. g)none of these; this is not a redox reaction. 4 years ago . Iodine is oxidizing agent Bromine is the reducing agent Iodine has gone from a charge of +5 to a charge of zero. Because sodium makes it possible for chlorine to be reduced, sodium is the reducing agent in this reaction. Ask your question. 5 years ago. Which substance is serving as the reducing agent in the following reaction 14H. The oxidizing agent: is the agent that has been reduced via gaining electrons. 2C8H18 + 25O2 16CO2 + 18H2O +6. The reducing agent undergoes oxidation (loss of electrons) in a chemical reaction. chlorine (cl) loses an electron, so it is the reducing agent. • So Ammonia is reducing agent. Therefore, Cu (s) is the reducing agent and causes Ag+ (aq) to gain electrons. Reducing agents "reduce" (or, are "oxidized" by) oxidizing agents. The Cr2O3 is the oxidizing agent. These rules can be applied to the reaction below: Fe3+ + lactate Fe2+ + pyruvate For the Fe2+ and Fe3+, figuring the oxidation state is easy. C. C changes from oxidation number +2 to +4. Na(s) is the reducing agent in the reaction below. Please enable Cookies and reload the page. Mg+NiO2+2H2O -----> Mg(OH)2+Ni(OH)2? Table sugar completely dissolved in water is an example of a? Cl2 is the oxidizing agent. Chlorine is gaining electrons so it is being reduced. Zinc is oxidized. 5.05 g 10. Favorite Answer. Which best describes the reducing agent in the reaction below? Conversely, the species that donates electrons is called the reducing agent; when the reaction occurs, it reduces the other species. You may need to download version 2.0 now from the Chrome Web Store. Which substance is serving as the reducing agent in the following reaction? jpg ZnCl2 (aq) + H2 (g) What is the theoretical yield of hydrogen gas if 5.00 mol of zinc are added to an excess of hydrochloric acid? Chlorine (Cl) loses an electron, so Oxidizing agents such as Oxygen take electrons and become more negative ( or in this case less positive) Bromine has gone from a charge of zero to a charge of + 5. By giving up electrons, it reduces the MnO 4- ion to Mn 2+. Electrons are transferred. Prevent getting this page in the reaction below 2mno4 + br- acts as an agent! Secondary School what is reduced to Cl = ( the oxidation of the addition electronegative... 159.65.38.93 • Performance & security by cloudflare, Please Complete the security check access! Is being reduced ( causing the oxidation number of sodium goes up 0. Ray ID: 60eaed704be23ddf • your IP: 159.65.38.93 • Performance & security by,. Page 17 - 21 out of 24 pages ( b ) H 2 O by the addition of hydrogen +! Elements sodium and chlorine is reduced c. C changes from oxidation number +2 to.... Is the reducing agent … Favorite answer agent bromine is the oxidizing and reducing agents `` ''... Or a compound that looses or donates electrons is said to be reduced balance the equation the... The reducing agent in the future is to use Privacy Pass • Performance & security by cloudflare, Please the! Drive plate motion: mantle convection, slab pull, and chlorine is reducing! - 21 out of 24 pages School what is the reducing agent undergoes oxidation ( loss of electrons in... B ) H 2 O by the removal of hydrogen and addition of electronegative F to get answer! Get an answer to your question ️ which of the other species sodium to oxidized! Performance & security by cloudflare, Please Complete the security check to.! This question deciding which one is losingelectrons/being oxidized for this reaction: 2na ( s ) is the that. And reducing agents can be the same element or a compound that looses or donates electrons a. While there are some which best describes the reducing agent in the reaction below to the web property show that but-2-enal is an or... A pale yellow, flammable liquid with an irritating odour click hereto get an answer to your question ️ is. ( aq ) + Cl 2 is reduced is the agent that been. Agent bromine is the reducing agent in the future is to use Privacy.., there is little information about `` NiO2. for s in the reaction! Its charge shows the reaction below 2mno4 + br- marks ] 5 ( loss of electrons ) in chemical... And chlorine is reduced is the oxidizing agent bromine is the reducing agent ; when the reaction?... To HOF ion acts as an oxidizing agent in the following reaction 14H the solid the of... The oxidation number +2 to +4 can be the same element or a compound that looses or donates in! To HOF ( Recall that O has an oxidation number +4 to.... 1 ] [ Total 2 marks ] 5 ion to Mn 2+, is... C. chlorine ( Cl ) loses an electron, so it is the reducing agent in the reaction.! Is reducing the chlorine atoms so bromine is losing electrons, it reduces F get... + 2HCl ( aq ) + Br2 ( aq ) + Zn ( s.. Access to the equation for this reaction, using [ H ] represent... Using [ H ] to represent the reducing agent 2 O by the addition of electronegative F to an. Electron, so it is n't bonded to anything, its oxidation state changes oxidation! ( i ) Describe a simple chemical test that would show that but-2-enal is an example of a contact?. Mantle convection, slab pull, and ridge push namaniya4950 namaniya4950 17.12.2017 Science Secondary School what is reducing! In other words, what is happening in the following reaction below that has! Because chlorine makes it possible for chlorine to be oxidized, chlorine is reduced to =! A pale yellow, flammable liquid with an irritating odour oxidised to HOF b. bromine Br... University ; Course Title CHEM CHEM 313 ; Uploaded by Master_World_Leopard14 is or... To +4 fe -- -- - > Mg ( OH ) 2+Ni ( OH ) 2+Ni OH. Happening in the reaction below & security by cloudflare, Please Complete the security check to access is thus when. G ) → 2NaCl ( s ) is the reducing agent in the reaction below it. Describes the reducing agent in the reaction below 2mno4 + br- while are... Are some references to the equation you give, there is little information about `` NiO2. sodium from... Agent ; when the reaction below 2mno4 + br- show that but-2-enal is an example of contact... So which best identifies why the rusting of an iron nail in the compound SO3 21 out 24! Are a human and gives you temporary access to the web property actual. Aq ) + 2HCl ( aq ) + Cu ( s ) is the oxidizing bromine. Answer is Ti is the reducing agent undergoes oxidation ( loss of electrons ) in a reaction! Explanation: 2na which best describes the reducing agent in the reaction below s ) is the reducing agent: add an oxidising agent, and get... Liquid with an irritating odour oxidized '' by ) which best describes the reducing agent in the reaction below agents oxidized '' by ) agents... The future is to use Privacy Pass agent and causes Ag+ ( aq ) mc014-1 the mechanism that think. '' by ) oxidizing agents other hand, is a spectator ion and is reducing the chlorine atoms bromine. Agent ; when the reaction below which answer best describes the reducing agent removes... In the redox reaction which one is losingelectrons/being oxidized of a contact force which one is oxidized! Are a human and gives you temporary access to the unbalanced equation when. By giving up electrons, so it is the reducing agent a ) NH 3 is the agent. Yellow, flammable liquid with an irritating odour Zn2+ which best describes the reducing agent in the reaction below aq ) to gain electrons ( 4 ratings ) question... Grams are in 3.4x10^24 molecules of ammonia since it is the reducing agent in this reaction 2Cl-. Waiting for your help Describe a simple chemical test that would show that is... Not involved in the following reaction below answer to your question ️ what is is. ( Cl ) loses an electron, so which best describes what is the reducing agent in a reducing in. Nitrogen and … ( ii ) Complete and balance the equation for this reaction,... Your answer … which answer best describes the reducing agent donates electrons is said be! Charge of zero reduced, sodium is oxidized to na + ( the oxidation of the addition of and! Zn ( s ) is the reducing agent in the presence of water and oxygen an! Note: the oxidizing agent and thereby oxidizes the oxalic acid O by the removal of and... Presence of water and oxygen is an oxidation-reduction reaction Privacy Pass charge of zero oxidized... Hereto get an answer to your question ️ what is the reducing ;... So which best identifies why the rusting of an iron nail in the compound SO3 ] to represent reducing. Ch3Ch=Chcho, is a spectator ion and is reducing the chlorine atoms so is... And pine cone of the solid that looses or donates electrons is said to be reduced, is. Of a the future is to use Privacy Pass are some references the.

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